<template>
    <div style="border: 1px solid #ccc">
        <Toolbar
            style="border-bottom: 1px solid #ccc"
            :editor="editorRef"
            :defaultConfig="toolbarConfig"
            :mode="mode"
        />
        <Editor
            style="height: 500px; overflow-y: hidden;"
            v-model="valueHtml"
            :defaultConfig="editorConfig"
            :mode="mode"
            @onCreated="handleCreated"
        />
    </div>
</template>

<script setup lang="ts">

//import.meta.env.VITE_APP_UPLOAD_IMG_URL

import '@wangeditor/editor/dist/css/style.css' // 引入 css

import {onBeforeUnmount, ref, shallowRef, onMounted, computed} from 'vue'
import { Editor, Toolbar } from '@wangeditor/editor-for-vue'
import {IEditorConfig} from "@wangeditor/editor";

type InsertFnType = (url: string, alt: string, href: string) => void

const  mode = "default"
// 编辑器实例，必须用 shallowRef
const editorRef = shallowRef()

// 内容 HTML
// const valueHtml = ref('')

const props = withDefaults(defineProps<{
    modelValue?:string | null
}>(), {
    modelValue:''
})

const emits = defineEmits(['update:modelValue'])

const valueHtml = computed({
    get: () => {
        if (props.modelValue){
            return props.modelValue
        }else{
            return ''
        }
    },
    set: (val:string) => {
        emits("update:modelValue", val)
    }
})

const toolbarConfig = {}

const editorConfig : Partial<IEditorConfig>= {
    placeholder: '请输入内容...',
    MENU_CONF:{
        uploadImage: {
            server: import.meta.env.VITE_APP_UPLOAD_IMG_URL,
            maxNumberOfFiles: 1,
            fieldName: 'file',

            // 自定义插入图片
            customInsert(res: any, insertFn: InsertFnType) {  // TS 语法
                // customInsert(res, insertFn) {                  // JS 语法
                // res 即服务端的返回结果

                // 从 res 中找到 url alt href ，然后插入图片
                insertFn(res.url, '', '')
            },


        }
    }
}

// 组件销毁时，也及时销毁编辑器
onBeforeUnmount(() => {
    const editor = editorRef.value
    if (editor == null) return
    editor.destroy()
})

const handleCreated = (editor: any) => {
    editorRef.value = editor // 记录 editor 实例，重要！
}


</script>

<style scoped>

</style>